Continuity: Season 6 - Episode 1 - My Mirror Image: Dr. Cox's hair colour and length change back and forth significantly during the episode.

Continuity: In the apartment there is a cardboard box on a table, with a strip of blue tape on it and a tube of paper sticking out of it. A few shots later another strip of blue tape suddenly appears on the box and the tube of paper has vanished.

Continuity: The woman in the wheelchair that Dr. Cox claims is dead is wearing glasses in some shots but not in others.

Continuity: Right at the end, the shot shows Carla walking towards JD with a security guard in the background, the shot cuts to behind JD and suddenly the security guard has moved forward in position dramatically.

Visible crew/equipment: In the scene where JD and Elliot are treating a patient and JD says "It's the closest thing I had to a date recently" the microphone pops into screen from above at least two times.

Factual error: When J.D. has his appendectomy, Turk is cutting on his left side. The appendix is on the right side of the body. Ironically, J.D. is commenting in the voice-over about what a great surgeon Turk is.

Continuity: Season 5-6, Episode: My Missed Perception. As Kelso goes rolling by in the hall with the wheels on his shoes, you can see they are actually skates and the wheels are black. When he asks who put the tiny wheels on his shoes, the shoes are now normal and the wheels are white.

Continuity: During JD's lunch with Turk and Todd his chocolate milk moves from his tray to the table between the closeup shots.

Continuity: In the apartment, when they decide to watch "Fletch", there is a yellow cushion under J.D.'s right arm, sitting on the sofa. But it disappears between shots.

Continuity: When Elliot and J.D are going up the stairs and J.D asks if they are racing, Elliot has a watch on her left hand, then in the next shot when they are racing, the watch is gone and doesn't reappear.

Visible crew/equipment: When J.D. goes to apologise to Nick Murdoch, just after he passes the torch to him, Nick says "we need to get the results of this urine sample." As he says this line, the boom can be seen.

Visible crew/equipment: When Elliot turns to the lady sitting in the chair and says "so, when's the baby due?" a large green tape marker is blatantly visible on the floor behind her.

Continuity: The salad on Eliott's fork changes from purple to green and back to purple between shots.

Revealing: When Elliot is splashed by the dolphin, if you watch carefully you can see her hair is already wet.

Continuity: When Turk marks the location for the surgery on Pvt. Dancer, he makes a horizontal mark on the left side of Dancer's abdomen. You can also see a small scar on Dancer's right side opposite the mark. A couple of shots later, Dancer is shown from the front and the mark has now switched to the right side above the scar.

Continuity: Season 5-19, Episode: His Story III. While Carla and Turk are lying in bed at the start both of them keep changing positions between shots. Turk's left arm and hand also keep changing position between shots.

Continuity: Season 5-9, Episode: My Half-Acre. While Cox and Carla are telling Mrs Wilk about her treatment, the cardigan she is wearing is completely unbuttoned. When the camera goes for a closeup of her face, the cardigan is now buttoned right up to her neck.

Continuity: Dr. Cox's stethoscope is hanging down more on his left side, but when he walks around to J.D. it is now hanging evenly around his neck.

Continuity: When Eliott is lying on the couch talking to JD way her stethoscope changes position between shots.

Visible crew/equipment: When Dr. Kelso sits on the edge of a bed smoking a pipe, he says "right you are, sweetheart" and you can see a boom mic pop into view, above his head.